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Sherwin-Williams Polysiloxane 1K Extends Maintenance Cycles

August 2, 2010

Polysiloxane is available in an extra white base that can be tinted and provides protection in a recommended range of 1.5 to 2.5 mils DFT.

Sherwin-Williams has introduced Poly­siloxane 1K, a single-component polysiloxane finish coat that provides superior weathering and chemical resistance compared to typical polyurethanes, according to the company. Polysiloxane 1K is an ideal steel coating choice for maintenance or new construction applications in the petrochemical, power generation, marine and general industrial markets. Fast-drying Polysiloxane 1K utilizes a patented Sherwin-Williams resin and cures with a reaction from atmospheric humidity. It offers low VOCs (<250 g/L), is HAPs-free and isocyanate-free. Polysiloxane is available in an Extra White base that can be tinted. It provides protection in a recommended range of 1.5 to 2.5 mils DFT. Application can take place in temperatures as low as 40º F and up to 90 percent relative humidity. It dries to touch within two hours at 77º F and can be recoated within four hours.

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